异常指示灯亮
表头显示正常
风机旋转正常 1． IGBT损坏，更换IGBT。
2． 快速恢复整流管MURP20040CT损坏。
3． 控制板故障，更控制板。
4． 反馈电路霍尔传感器故障，更换霍尔传感。
焊接过程飞溅大 1． 焊接规范不对。
2． 导电嘴严重磨损。
焊接时输出电流
不稳或不受电位
器控制 1． 电位器质量有问题，应更换。
2． 送丝机控制电缆断或送丝机控制器坏。
3． 各种连接处理接触不良，尤其接插件等，需检查。
4． 控制板故障，更换控制板。
CO2气体调节器不加热 1． CO2气体调节器损坏。
2． 加热电缆断或短路。
3． 加热电源保险烧断。
4． 机内加热电源故障，更换加热变压器。
如经过上述调校、检修后仍不能正常工作，请与当地的经销商或科跃公司的售后服务部门联系。

Abnormal light-\ \
The first table shows the normal \ \
A fan normal rotation. IGBT damage, replacement of IGBT. \ \
2. MURP20040CT rapid resumption of tube damage. \ \
3. Fault control panel, control board. \ \
4. Feedback Hall sensor circuit failure, replacement of Hall sensor. \ \
A large welding spatter. Welding wrong. \ \
2. Conductive mouth serious wear. \ \
Welding output current \ \
Unstable or not potential \ \
Control one. Potential problems with the quality should be replaced. \ \
2. Control cable wire feeding or broken wire feeding machine controller bad. \ \
3. Various Connection handling accidents, especially plug, to check. \ \
4. The control board failure, replacement of the control board. \ \
CO2 gas heating is not a regulator. CO2 gas regulator damaged. \ \
2. Heating cable fault or short circuit. \ \
3. Insurance heating power outage. \ \
4. Machines heating power failure, replacement of heating transformer. \ \
If the above modification, overhaul still not working, and the local dealer or by Yue-linked company's after-sales service departments. \ \